Which two statements are true about record groups?() They are stored in the database. 。 They are stored in local Forms memory. 。 The type is specified explicitly at design time. 。 The type is implied by when and how it is created.。
Evaluate the following function code: CREATE FUNCTION get_dept_avg(dept_id NUMBER) RETURN NUMBER RESULT_CACHE RELIES_ON (EMPLOYEES) IS avgsal NUMBER(6); BEGIN SELECT AVG(SALARY)INTO avgsal FROM EMPLOYEES WHERE DEPARTMENT_ID = dept_id; RETURN avgsal; END get_dept_avg; Which statement is true regarding the above function?() The cached result becomes invalid when any structural change is done to the EMPLOYEES table. 。 If the function execution results in an unhandled exception,the exception result is also stored in the cache.。 Each time the function is invoked in a different session,the current result in the result cache gets overwritten.。 If the function is invoked with a different parameter value,the existing result in the result cache gets overwritten by the latest value.。
螺栓穿入方向应一致朝外且合理,螺栓拧紧后外露丝扣不小于()扣。 1~2。 2~3。 3~4。 4~5。
司法管辖权的基础是() 以地域为基础、以当事人居住地为基础、以合同纠纷中当事人意志为基础。 以合同履行地为基础、以当事人国籍为基础、以合同纠纷当事人意志为基础。 以合同签订地为基础、以当事人国籍为基础、以合同纠纷当事人意志为基础。 以地域为基础、以当事人国籍为基础、以合同纠纷中当事人意志为基础。
关于八卦的起源,下面说法不正确的是()。 《河图》所出的形状。 上古时期结绳改书契时留下遗迹。 生殖崇拜。 占卜的方法。
You are connecting to an Oracle database server from a client by using the following connect string:
SQL> CONNECT hr/hr@pdserver.us.oracle.com:1521/proddb
Which naming method is being used in this case?()